%0 Journal Article %T Fuzzy logic methods for geomagnetic events detections and analysis %A , .. %A , .. %A , .. %A , .. %A , .. %A , .. %K geomagnetic indices, geomagnetic storm, fuzzy logic techniques %J Russian Journal of Earth Sciences %D 2010 %N 11 %P 5 %I Геофизический центр Российской Академии Наук